71026526651 has 4 divisors (see below), whose sum is σ = 71048663400. Its totient is φ = 71004389904.

The previous prime is 71026526621. The next prime is 71026526653. The reversal of 71026526651 is 15662562017.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71026526651 - 2³⁴ = 53846657467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71026526599 and 71026526608.

It is not an unprimeable number, because it can be changed into a prime (71026526653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11063561 + ... + 11069978.

It is an arithmetic number, because the mean of its divisors is an integer number (17762165850).

Almost surely, 2^71026526651 is an apocalyptic number.

71026526651 is a deficient number, since it is larger than the sum of its proper divisors (22136749).

71026526651 is a wasteful number, since it uses less digits than its factorization.

71026526651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22136748.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 71026526651 in words is "seventy-one billion, twenty-six million, five hundred twenty-six thousand, six hundred fifty-one".